Indole-4-carboxaldehyde Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1074-86-8 |
| Product name | Indole-4-carboxaldehyde |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent GradeIndustrial Grade |
| Packaging | 25KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for Indole-4-carboxaldehyde
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Indole-4-carboxaldehyde Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Indole-4-carboxaldehyde
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of antidepressant drugs | Used as a synthetic intermediate in Schiff base formation |
| Pesticides | Precursor to fungicides | Applied in the synthesis of indole-containing fungicides |
| Chemical raw materials | Fragrance synthesis | Applied in the synthesis of fragrance ingredients with indole odor characteristics |
| Materials science | Functional material preparation | Used as a synthetic precursor for organic optoelectronic materials |
| Research | Organic synthesis research | Applied in mechanistic studies of indole-based compound reactions |
Manufacturing Quality Control of Indole-4-carboxaldehyde
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reversed-phase HPLC with UV detection at 254 nm, comparing peak area to a certified reference standard. |
| Appearance | Visual Inspection | Assessment of physical state and color against a clear, pale-yellow liquid reference under controlled lighting conditions. |
| Identity | FT-IR Spectroscopy | Confirmation by matching characteristic functional group absorption bands (e.g., aldehyde C=O ~1700 cm-1, indole N-H ~3400 cm-1) to reference spectrum. |
| Residual Solvents | GC-FID | Separation and quantification of common solvents (e.g., methanol, dichloromethane) using capillary GC with flame ionization detection. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in pyridine/methanol medium. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and Cr after acid digestion, based on atomic emission intensities. |
| Acidity (as HCl) | Acid-Base Titration | Neutralization of acidic impurities with standardized NaOH solution using phenolphthalein indicator. |
| Aldehyde Content | Spectrophotometric DNPH Derivatization | Reaction with 2,4-dinitrophenylhydrazine to form hydrazone, measured by UV-Vis absorbance at 455 nm. |
| Related Substances | HPLC-DAD | Detection and semi-quantification of structurally similar impurities using diode array detection across 200–400 nm. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solidification onset and range for solid batches using calibrated digital melting point instrument. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue remaining after high-temperature ashing at 600 C in platinum crucible. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light at 589 nm to confirm chiral purity (if applicable) and batch consistency. |
Technical Specifications of Indole-4-carboxaldehyde
| Test Item | Specification |
|---|---|
| Appearance | Brown solid |
| Purity | >=98.0% (LC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 118–122°C |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Residue on Ignition | <=0.1% |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of Indole-4-carboxaldehyde
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Indole-4-carboxaldehyde
Packaging of Indole-4-carboxaldehyde
Industrial Indole-4-carboxaldehyde Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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